With the quints hitting the 'terrible twos," the Busbys are busier than ever; Danielle plans a romantic Valentine's Day dinner for Adam, but things don't go as planned; Adam and Danielle prepare themselves for Hazel's upcoming eye appointment.

With the possibility of another surgery looming for Hazel, Adam stresses over her upcoming appointment with a new doctor; when the quints start having poop explosions, Daniel tries potty training with disastrous results.

The Busbys tackle discipline to get the terrible twos under control; Danielle presses Adam for answers on how he's been feeling; with Mimi taking her time to move into her new home, Danielle devises a plan to help her embrace her new life.

While Adam struggles with his emotional issues, the Busbys tackle a playroom makeover for the quints and Blayke; Hazel gets fitted for her new glasses just in time for the girls to take the stage for their first recital.

The Busbys plan a joint birthday party for all their girls, but when Blayke wants her own party Adam and Danielle must come up with a way to make her feel special. The quints' turning 2 also means it's time for their first trip to the dentist.

It's Easter time and the Busbys have tons of fun activities planned for the holiday, but their special surprise may turn into a nightmare. Also, when Adam reveals his unorthodox plan for dealing with his issues, Danielle has a tough decision to make

Adam and Danielle take a trip to Nashville, leaving Danielle’s family to watch the quints, but they may not be up to the challenge when Hazel gives her uncle a big scare. While they’re away, Adam realizes he’s not the only one suffering from his issues.

In an enhanced episode, Adam plans a beach vacation getaway for Mother's Day, but it might be more chaos than calm with the entire extended family in tow. On the trip, the quints see the ocean for the first time, and Adam reveals his struggles to Nick and Dale.

With the grand opening of the cycle studio looming, tensions rise when Danielle announces she wants to work there more than expected; Hazel returns to the eye doctor; the quints get invited to be grand marshals of the League City parade.